American Journal of Analytical Chemistry

Volume 4, Issue 10 (October 2013)

ISSN Print: 2156-8251   ISSN Online: 2156-8278

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Comparative Balancing of Non-Redox and Redox Electrolytic Systems and Its Consequences

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DOI: 10.4236/ajac.2013.410A1006    3,417 Downloads   5,908 Views  Citations

ABSTRACT

In this paper, it is proved that linear combination 2·f(O) - f(H) of elemental balances: f(O) for O and f(H) for H is linearly independent on charge and elemental/core balances for all redox systems of any degree of complexity; it is the primary form of the Generalized Electron Balance (GEB), , considered as the Approach II to GEB. The Approach II is equivalent to the Approach I based on the principle of common pool of electrons. Both Approaches are illustrated on an example of titration of acidified (H2SO4) solution of H2C2O4 with KMnO4. It is also stated, on an example of titration of the same solution with NaOH, that 2·f(O) - f(H) is a linear combination of charge and elemental/core balances, i.e. it is not an independent balance when related to the non-redox system. These properties of 2·f(O) - f(H) can be extended on redox and non-redox systems, of any degree of complexity, i.e. the linear independency/dependency of 2·f(O) - f(H) on other balances related to a system in question is a criterion distinguishing redox and non-redox systems. The GEB completes the set of (charge and concentration) balances and a set of expressions for independent equilibrium constants needed for modeling the related redox system.

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A. Michałowska-Kaczmarczyk and T. Michałowski, "Comparative Balancing of Non-Redox and Redox Electrolytic Systems and Its Consequences," American Journal of Analytical Chemistry, Vol. 4 No. 10A, 2013, pp. 46-53. doi: 10.4236/ajac.2013.410A1006.

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